Update VR_TOOL.md

Merge pull request #50 from julrog/using-f-string

string formatting conversion to f-string via flynt

Add thesis link

Update sample in start_tool_vr.py

Merge pull request #48 from julrog/docker

Merge branch 'master' into docker

add docker and update README

remove configs from git to prevent changes detected by git on running the code without changing anything gitignore update

remove configs from git to prevent changes detected by git on running the code without changing anything

change configs and pre-commit isort version

Update README.md

Merge pull request #47 from julrog/fix_demo

bugfixes in example scripts Readme update and fix bug with downloading sample data in start_tool script

adapted start scripts with parameter to download and use sample data instead of randomly generating data for fast demo purposes and increased tensorflow and pillow versions to address security issues